USA, California, San Diego County, Anza-Borrego Desert State Park: South Carrizo Valley on Carrizo Creek Rd. (southern branch of creekbed), .6 mile east of Hwy S2; (northwest part of square).
32.8484 -116.1903
204 meters (669ft)
Geology: Sandy flat terrain.
Creosote Bush Scrub with Tamariz sp., Ambrosia dumosa, Psorothamnus spinosus, Brassica tournefortii, Sisymbrium irio, Hymenoclea salsola, Fouquieria splendens.